Steven B Willis

US Patent:

6442138, Aug 27, 2002

Filed:

Jul 30, 1999

Appl. No.:

09/365350

Inventors:

Nanying Yin - Newton Center MA
Steven R. Willis - Acton MA

Assignee:

Nortel Networks Limited - St. Laurent

International Classification:

H04J 322

US Classification:

370232, 370253, 3703952, 370468

Abstract:

A system controls the admission of a connection request based on available resources. The received connection request specifies a particular class of service. The system then determines the allocated bandwidth for the specified class of service. Available resources for the specified class of service are determined based on measured traffic flow and the allocated bandwidth associated with the specified class of service. The connection request is accepted if the available resources are capable of supporting the requested connection. An allocation factor may be used by the system to allocate bandwidth. The allocation factor can be updated based on changes in measured traffic flow. Additionally, subscribed traffic parameters may be used to determine available resources for the specified class of service.

US Patent:

6611522, Aug 26, 2003

Filed:

Jun 18, 1999

Appl. No.:

09/336311

Inventors:

Qin Zheng - Boxborough MA
Steven R. Willis - Acton MA
Frank Kastenholz - Chelmsford MA
Eric Crawley - Maynard MA

Assignee:

Juniper Networks, Inc. - Sunnyvale CA

International Classification:

H04L 1228

US Classification:

37039521, 37039542, 3703955, 370469, 709245, 709230, 709238

Abstract:

According to one embodiment, the invention is directed to a facility for providing Asynchronous Transfer Mode (ATM) and Internet Protocol (IP) Quality of Service (QoS) features in a digital communication node. The facility includes a plurality of logical input ports, a plurality of logical output ports, ATM switching elements, IP routing elements and QoS elements. The switching and forwarding elements transfer ATM data cells and IP data packets from the logical input ports to the logical output ports. The QoS elements prioritize, schedule and flow control the transfer of data, based at least in part on ATM QoS features associated with the ATM data cells and on IP QoS features associated with the IP data packets.

US Patent:

6909720, Jun 21, 2005

Filed:

Jun 18, 1999

Appl. No.:

09/336229

Inventors:

Steven R. Willis - Acton MA, US

Assignee:

Juniper Networks, Inc. - Sunnyvale CA

International Classification:

H04L012/56
H04J003/02

US Classification:

37039552, 370466, 370539

Abstract:

A communication node contains intelligence for directing both internet protocol (IP) packets and Asynchronous Transfer Mode (ATM) cells toward their destinations. The ATM cells and IP packets may be received within a common data stream. The respective devices process the ATM cells and IP packets to direct the cells and packets to the proper output ports towards their destinations. The device is capable of performing policing and quality of service (QOS) processing on both the ATM cells and the IP packets.

US Patent:

6980543, Dec 27, 2005

Filed:

Jun 18, 1999

Appl. No.:

09/336090

Inventors:

Frank Kastenholz - Chelmsford MA, US
Tom Westberg - Sudbury MA, US
Steven R. Willis - Acton MA, US

Assignee:

Juniper Networks, Inc. - Sunnyvale CA

International Classification:

H04L012/66

US Classification:

370352, 370386, 370469

Abstract:

An interconnect network for operation within communication node, wherein the interconnect network may have features including the ability to transfer a variety of communication protocols, scalable bandwidth and reduced down-time. According to one embodiment of the invention, the communication node includes a plurality of I/O channels for coupling information into and out of the node, and the interconnect network includes at least one local interconnect module having local transfer elements for transferring information between the plurality of I/O channels; and scaling elements for expanding the interconnect network to include additional local interconnect modules, such that information can be transferred between the local interconnect modules included in the interconnect network.

US Patent:

7287217, Oct 23, 2007

Filed:

Jul 1, 2004

Appl. No.:

10/883018

Inventors:

Eugene Kuznetsov - Cambridge MA, US
Heather D. Achilles - Hudson NH, US
Steven R. Willis - Acton MA, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 15/00

US Classification:

715513

Abstract:

Information represented in text-based markup languages, such as XML, is often a large, highly nested structure corresponding to complex patterns of metadata and/or data. Parsing such data streams via conventional software mechanisms rapidly exhibits degrading performance as the size, or volume, of data increases. Further, such do not perform dynamic modification to the output in response to feedback based on the data being parsed. An adaptive XML processing hardware apparatus processes an XML document in a manner suited to the invoking application, and processes the incoming XML into an optimal structure based on the type of data and a set of rules relating the type of the data to the output format. It also dynamically augments the output information stream based on the data, at the option of the invoking system. The generated output may take a tree form, adaptable for efficient traversal of the hierarchical structure represented by the input XML, or may involve an attribute approach, in which the XML takes the from of a stream of fixed length cells containing optimized representations of input data, or may take a combination of the two approaches, based on configuration and XML input stream.

US Patent:

7318194, Jan 8, 2008

Filed:

Dec 16, 2004

Appl. No.:

11/013951

Inventors:

Heather D. Achilles - Hudson NH, US
Steven R. Willis - Acton MA, US
Charles Robert Morgan - Manchester MA, US
Kenneth R. Ballou - Framingham MA, US
Jan-Christian Nelson - Boston MA, US
Eugene Kuznetsov - Cambridge MA, US

Assignee:

International Business Machines Corporation (IBM) - Armonk NY

International Classification:

G06F 15/00

US Classification:

715513, 707100, 707101

Abstract:

A representation of a markup language data such as XML expressed as a sequence of encoded items provides a data format including a type field containing i) a construct type identifying a type of markup language data construct to which the encoded item corresponds or, ii) a directive type identifying directive information concerning a processing characteristic associated with the sequence of encoded items. If the type field contains a construct type, the encoded item includes i) a length field containing a size of construct data associated with the markup language data construct to which the encoded item corresponds and ii) a value field identifying construct data associated with the markup language data construct to which the encoded item corresponds. For a directive type, the encoded item includes a directive value supplementing the directive information concerning a processing characteristic associated with the sequence of encoded items.

US Patent:

7454696, Nov 18, 2008

Filed:

Jul 1, 2004

Appl. No.:

10/883016

Inventors:

Eugene Kuznetsov - Cambridge MA, US
Steven R. Willis - Acton MA, US
Heather D. Achilles - Hudson NH, US
Charles R. Morgan - Manchester MA, US
Nicholas D. Matsakis - Cambridge MA, US
David Z. Maze - Somerville MA, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 17/00

US Classification:

715239, 715273

Abstract:

Systems, methods and apparatus operate to receiving a markup processing program containing a set of markup processing instructions. Each markup processing instruction includes an operation defining a processing operation to be matched to a markup language representation and a corresponding action to be performed upon matching the operation to the markup language representation. The system receives the markup language representation containing encoded items representative of markup language constructs and executes the markup processing program in conjunction with the markup language representation to dynamically control generation of an output control signal indicating how the markup language representation is to be processed for generation of output based on the markup language representation. The markup processing program is applied in real-time to streaming XML data and represents logic instructions that carry out application of post processing such as XPATH expression evaluation, schema validation or other post processing on the stream of XML data.

US Patent:

7555709, Jun 30, 2009

Filed:

Sep 4, 2008

Appl. No.:

12/204385

Inventors:

Eugene Kuznetsov - Cambridge MA, US
Steven R. Willis - Acton MA, US
Heather D. Achilles - Hudson NH, US
Charles R. Morgan - Manchester MA, US
Nicholas D. Matsakis - Cambridge MA, US
David Z. Maze - Somerville MA, US

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06F 17/00

US Classification:

715234, 707 1

Abstract:

Systems, methods and apparatus operate to receiving a markup processing program containing a set of markup processing instructions. Each markup processing instruction includes an operation defining a processing operation to be matched to a markup language representation and a corresponding action to be performed upon matching the operation to the markup language representation. The system receives the markup language representation containing encoded items representative of markup language constructs and executes the markup processing program in conjunction with the markup language representation to dynamically control generation of an output control signal indicating how the markup language representation is to be processed for generation of output based on the markup language representation. The markup processing program is applied in real-time to streaming XML data and represents logic instructions that carry out application of post processing such as XPATH expression evaluation, schema validation or other post processing on the stream of XML data.